College PhysicsA butterfly at eye level is 25 cm in front of an plane mirror. You are behind the butterfly, 45 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror? 1 cm
December 1, 2009

physical scienceA butterfly at eye level is 25 cm in front of an plane mirror. You are behind the butterfly, 45 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror? 1 cm
April 16, 2008

physicsWhat is the time required for a pulse of radar waves to reach an airplane 7 km away and return?
November 9, 2007